Fill valve



FIG. 1 is a bottom perspective view of the valve;

FIG. 2 is a top perspective view of the valve;

FIG. 3 is a side elevation view of the valve. A view of the opposite side would be a mirror image of FIG. 3;

FIG. 4 is a front side elevation view of the valve;

FIG. 5 is a top plan view of the valve; and,

FIG. 6 is a bottom plan view of the valve. 

CLAIM The ornamental design for a fill valve, as shown. 